Add Alloy support to Rocky nodes#664
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jb3
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May 25, 2026
jb3
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- Add Rocky repositories for Grafana projects, so we can install Alloy
- Set new binary permissions for Alloy to allow reading of all files regardless of read permissions
- Enable live debugging features in Alloy
- Pull out systemd unit as a new label for better filtering in Loki
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jchristgit
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May 25, 2026
| # We need to add cap_dac_read_search=+ep to the Alloy binary. | ||
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| - name: Get Alloy binary path | ||
| command: "which alloy" |
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Do you know if ansible sanitizes PATH (or does not preserve it from the user it's escalating from)? If not, something malicious modifying PATH on the profile of whoever deploys could cause this to set cap_dac_read_search on the binary.
| - role::alloy | ||
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| - name: Set capabilities on the Alloy binary | ||
| command: "setcap cap_dac_read_search=ep {{ alloy_binary_path.stdout }}" |
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Can't this be done via systemd?
man systemd.exec, see AmbientCapabilities. That way we can remove this whole dance and just set it in the service, no?
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| livedebugging { | ||
| enabled = true | ||
| } | ||
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Does this not expose sensitive information in some way that I'm missing? Judging by the Grafana docs, this relates to the Alloy UI. I haven't followed the deployment - do we expose that somewhere?
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